039
FNCA52 TJSJ 071930
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 PM AST TUE APR 7 2026
DISCUSSION
NO FIRE DANGER IS EXPECTED TODAY.
PRZ014-080800-
SOUTHEAST COASTAL PLAINS-
330 PM AST TUE APR 7 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 50 10 20
TEMP (24H TREND) 71 (-2) 88 (+3) 71 88
RH % (24H TREND) 95 (+1) 62 (-8) 97 59
WIND 20FT/EARLY(MPH) E 12 E 16 E 12 E 16
WIND 20FT/LATE(MPH) E 11 SE 16 E 11 E 16
MIXING HGT(FT-AGL/MSL) 4050 4660
TRANSPORT WND (MPH) SE 17 E 17
VENT RATE (KT-FT) 60750 69900
DISPERSION 5 5
DSI 5 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ015-080800-
SOUTHERN HILLS-
330 PM AST TUE APR 7 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 50 10 30
TEMP (24H TREND) 68 (-2) 84 (+4) 68 84
RH % (24H TREND) 98 (+3) 67 (-9) 99 65
WIND 20FT/EARLY(MPH) E 11 E 13 E 11 E 12
WIND 20FT/LATE(MPH) E 11 SE 12 E 11 E 12
MIXING HGT(FT-AGL/MSL) 4750 5380
TRANSPORT WND (MPH) SE 16 E 16
VENT RATE (KT-FT) 66500 75320
DISPERSION 5 5
DSI 4 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ016-080800-
NORTH COASTAL PLAINS-
330 PM AST TUE APR 7 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 60 30 40
TEMP (24H TREND) 70 (-1) 89 (+2) 70 88
RH % (24H TREND) 98 (+1) 60 (-6) 100 60
WIND 20FT/EARLY(MPH) SE 12 E 14 E 11 E 13
WIND 20FT/LATE(MPH) SE 11 E 14 E 11 E 19
MIXING HGT(FT-AGL/MSL) 4860 5050
TRANSPORT WND (MPH) SE 13 E 15
VENT RATE (KT-FT) 53460 65650
DISPERSION 5 5
DSI 4 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ017-080800-
NORTHERN HILLS-
330 PM AST TUE APR 7 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 30 80 10 60
TEMP (24H TREND) 69 (-1) 88 (+3) 68 87
RH % (24H TREND) 98 (+1) 60 (-6) 99 61
WIND 20FT/EARLY(MPH) SE 10 E 11 E 10 E 11
WIND 20FT/LATE(MPH) E 8 SE 13 E 6 E 16
MIXING HGT(FT-AGL/MSL) 5270 5700
TRANSPORT WND (MPH) SE 10 SE 12
VENT RATE (KT-FT) 47430 57000
DISPERSION 5 5
DSI 3 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ018-080800-
WEST COAST-
330 PM AST TUE APR 7 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS TSTMS NONE TSTMS
CHANCE PRECIP (%) 30 60 0 50
TEMP (24H TREND) 71 (0) 89 (+2) 70 89
RH % (24H TREND) 98 (+3) 62 (-6) 99 62
WIND 20FT/EARLY(MPH) E 13 E 14 E 10 E 14
WIND 20FT/LATE(MPH) E 13 E 14 E 12 E 14
MIXING HGT(FT-AGL/MSL) 4460 4350
TRANSPORT WND (MPH) SE 16 SE 12
VENT RATE (KT-FT) 62440 43500
DISPERSION 5 5
DSI 5 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ019-080800-
EASTERN INTERIOR-
330 PM AST TUE APR 7 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 50 30 40
TEMP (24H TREND) 70 (-1) 85 (+3) 70 85
RH % (24H TREND) 99 (+2) 65 (-7) 100 64
WIND 20FT/EARLY(MPH) SE 13 SE 16 E 12 E 13
WIND 20FT/LATE(MPH) SE 13 SE 16 E 12 E 13
MIXING HGT(FT-AGL/MSL) 4860 5760
TRANSPORT WND (MPH) SE 17 SE 14
VENT RATE (KT-FT) 72900 69120
DISPERSION 5 5
DSI 5 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ022-080800-
LUQUILLO MOUNTAIN RANGE-
330 PM AST TUE APR 7 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 60 40 40
TEMP (24H TREND) 67 (-2) 80 (+3) 67 80
RH % (24H TREND) 100 (0) 72 (-7) 100 69
WIND 20FT/EARLY(MPH) SE 11 SE 13 E 11 E 12
WIND 20FT/LATE(MPH) SE 11 SE 13 E 10 E 12
MIXING HGT(FT-AGL/MSL) 3490 4520
TRANSPORT WND (MPH) SE 18 E 16
VENT RATE (KT-FT) 55840 63280
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ023-080800-
CENTRAL MOUNTAIN RANGE-
330 PM AST TUE APR 7 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS TSTMS NONE TSTMS
CHANCE PRECIP (%) 10 60 0 60
TEMP (24H TREND) 66 (-2) 84 (+4) 65 84
RH % (24H TREND) 99 (+3) 64 (-10) 100 64
WIND 20FT/EARLY(MPH) SE 8 SE 10 SE 6 E 10
WIND 20FT/LATE(MPH) SE 6 SE 10 E 6 E 10
MIXING HGT(FT-AGL/MSL) 5600 6290
TRANSPORT WND (MPH) SE 14 SE 10
VENT RATE (KT-FT) 67200 56610
DISPERSION 5 5
DSI 2 6 2 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ024-080800-
CAYEY MOUNTAIN RANGE-
330 PM AST TUE APR 7 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 50 30 20
TEMP (24H TREND) 68 (-1) 80 (+3) 68 80
RH % (24H TREND) 100 (0) 73 (-7) 100 71
WIND 20FT/EARLY(MPH) SE 9 SE 12 E 9 E 11
WIND 20FT/LATE(MPH) E 9 SE 11 E 9 E 11
MIXING HGT(FT-AGL/MSL) 4150 4920
TRANSPORT WND (MPH) SE 16 E 15
VENT RATE (KT-FT) 58100 63960
DISPERSION 5 5
DSI 5 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ025-080800-
VIEQUES-
330 PM AST TUE APR 7 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 50 30 30
TEMP (24H TREND) 73 (-1) 85 (0) 73 85
RH % (24H TREND) 91 (-1) 61 (-3) 95 61
WIND 20FT/EARLY(MPH) SE 16 SE 16 E 14 E 16
WIND 20FT/LATE(MPH) E 16 SE 16 E 14 E 14
MIXING HGT(FT-AGL/MSL) 2620 2900
TRANSPORT WND (MPH) SE 22 E 17
VENT RATE (KT-FT) 49780 43500
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ026-080800-
CULEBRA-
330 PM AST TUE APR 7 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 50 30 20
TEMP (24H TREND) 74 (-1) 86 (+1) 74 86
RH % (24H TREND) 91 (+1) 62 (-3) 91 61
WIND 20FT/EARLY(MPH) SE 16 SE 17 E 14 E 16
WIND 20FT/LATE(MPH) E 16 SE 17 E 14 E 14
MIXING HGT(FT-AGL/MSL) 2520 2800
TRANSPORT WND (MPH) SE 22 E 18
VENT RATE (KT-FT) 47880 44800
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ027-080800-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 PM AST TUE APR 7 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 40 50 0 20
TEMP (24H TREND) 72 (-1) 89 (+3) 71 89
RH % (24H TREND) 96 (+5) 59 (-7) 96 57
WIND 20FT/EARLY(MPH) E 18 E 19 E 14 E 20
WIND 20FT/LATE(MPH) E 18 SE 19 E 16 SE 20
MIXING HGT(FT-AGL/MSL) 4420 4700
TRANSPORT WND (MPH) SE 21 E 21
VENT RATE (KT-FT) 79560 84600
DISPERSION 5 5
DSI 6 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ001-080800-
SAINT THOMAS AND SAINT JOHN-
330 PM AST TUE APR 7 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 50 20 20
TEMP (24H TREND) 73 (-3) 85 (+1) 73 85
RH % (24H TREND) 92 (+2) 61 (-5) 94 60
WIND 20FT/EARLY(MPH) E 17 SE 17 E 16 E 16
WIND 20FT/LATE(MPH) E 16 SE 17 E 16 E 14
MIXING HGT(FT-AGL/MSL) 2570 3120
TRANSPORT WND (MPH) E 20 E 20
VENT RATE (KT-FT) 43690 53040
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ002-080800-
ST CROIX-
330 PM AST TUE APR 7 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 50 30 20
TEMP (24H TREND) 74 (-1) 86 (+1) 72 86
RH % (24H TREND) 93 (+2) 63 (-3) 95 62
WIND 20FT/EARLY(MPH) E 16 E 17 E 16 E 16
WIND 20FT/LATE(MPH) E 14 E 17 E 14 E 14
MIXING HGT(FT-AGL/MSL) 3680 4430
TRANSPORT WND (MPH) SE 22 E 20
VENT RATE (KT-FT) 69920 75310
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
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